On Thu, Jun 30, 2016 at 1:05 PM, Amitkumar Karwar <akarwar@xxxxxxxxxxx> wrote: > Hi Prasun, > >> From: Prasun Maiti [mailto:prasunmaiti87@xxxxxxxxx] >> Sent: Friday, June 24, 2016 12:27 PM >> To: Amitkumar Karwar; Nishant Sarmukadam; Kalle Valo >> Cc: Linux Wireless; Linux Next; Linux Kernel >> Subject: Re: [PATCH] mwifiex: Fixed endianness for event TLV type >> TLV_BTCOEX_WL_SCANTIME >> >> On Thu, Jun 16, 2016 at 9:49 AM, Prasun Maiti <prasunmaiti87@xxxxxxxxx> >> wrote: >> > The two members min_scan_time and max_scan_time of structure >> > "mwifiex_ie_types_btcoex_scan_time" are of two bytes each. The values >> > are assigned directtly from firmware without endian conversion >> handling. >> > So, wrong datas will get saved in big-endian systems. >> > >> > This patch converts the values into cpu's byte order before assigning >> > them into the local members. >> > >> > Signed-off-by: Prasun Maiti <prasunmaiti87@xxxxxxxxx> >> > --- >> > drivers/net/wireless/marvell/mwifiex/sta_event.c | 4 ++-- >> > 1 file changed, 2 insertions(+), 2 deletions(-) >> > >> > diff --git a/drivers/net/wireless/marvell/mwifiex/sta_event.c >> > b/drivers/net/wireless/marvell/mwifiex/sta_event.c >> > index 0104108..7dff452 100644 >> > --- a/drivers/net/wireless/marvell/mwifiex/sta_event.c >> > +++ b/drivers/net/wireless/marvell/mwifiex/sta_event.c >> > @@ -474,8 +474,8 @@ void >> mwifiex_bt_coex_wlan_param_update_event(struct mwifiex_private *priv, >> > scantlv = >> > (struct mwifiex_ie_types_btcoex_scan_time >> *)tlv; >> > adapter->coex_scan = scantlv->coex_scan; >> > - adapter->coex_min_scan_time = scantlv- >> >min_scan_time; >> > - adapter->coex_max_scan_time = scantlv- >> >max_scan_time; >> > + adapter->coex_min_scan_time = >> le16_to_cpu(scantlv->min_scan_time); >> > + adapter->coex_max_scan_time = >> > + le16_to_cpu(scantlv->max_scan_time); >> > break; >> > >> > default: >> > -- >> > 1.9.1 >> > > > Along with this change, you need to define these elements as __le16 in scan_tlv structure. Ensure that sparse compilation is passed with your final patch. > Hi Amitkumar, Thanks for your suggestion. I have added this in scan_tlv structure to fix the sparse compilation warnings. Updated patch v2 is sent. Please verify this. -- Thanks, Prasun -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
